package composite;

import org.hibernate.hql.internal.ast.tree.SqlNode;

import java.util.Collection;
import java.util.HashMap;

public class Test {
    public static void main(String[] args) {
        Folder folder=new Folder("d盘");
        folder.add(new File("bbb"));
        folder.add(new Folder("cc"));
        folder.show();
        SqlNode sqlNode;
        Collection collection;
        HashMap hashMap;
    }
}
